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docs/snippets/csharp/ocr/cloud_ocr_backend.md

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+```csharp title="C#"
+using Kreuzberg;
+using System.Collections.Generic;
+
+public class CloudOcrBackend : IOcrBackend
+{
+    private string _apiKey;
+
+    public string Name => "cloud-ocr";
+    public string Version => "1.0.0";
+
+    public CloudOcrBackend(string apiKey)
+    {
+        _apiKey = apiKey;
+    }
+
+    public void Initialize()
+    {
+    }
+
+    public void Shutdown()
+    {
+    }
+
+    public ExtractionResult ProcessImage(byte[] imageBytes, OcrConfig config)
+    {
+        // Call cloud OCR API with imageBytes and config.Language
+        // Return ExtractionResult with extracted text
+        throw new NotImplementedException();
+    }
+
+    public ExtractionResult ProcessImageFile(string path, OcrConfig config)
+    {
+        var imageBytes = File.ReadAllBytes(path);
+        return ProcessImage(imageBytes, config);
+    }
+
+    public bool SupportsLanguage(string language)
+    {
+        return SupportedLanguages().Contains(language);
+    }
+
+    public OcrBackendType BackendType()
+    {
+        return OcrBackendType.Cloud;
+    }
+
+    public List<string> SupportedLanguages()
+    {
+        return new List<string> { "eng", "deu", "fra" };
+    }
+
+    public bool SupportsTableDetection()
+    {
+        return false;
+    }
+
+    public bool SupportsDocumentProcessing()
+    {
+        return false;
+    }
+
+    public ExtractionResult ProcessDocument(string path, OcrConfig config)
+    {
+        throw new NotSupportedException("Document processing not supported by CloudOcrBackend");
+    }
+}
+
+class Program
+{
+    static void Main()
+    {
+        // Register the backend
+        var backend = new CloudOcrBackend(apiKey: "your-api-key");
+        OcrBackendBridge.Register(backend);
+    }
+}
+```